Seat for a motorcycle



FIG. 1 is a front elevation view of a seat for a motorcycle, showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a perspective view thereof; and,

FIG. 7 is another perspective view thereof.

The broken lines shown in FIGS. 1, 2, 3, 5, 6, and 7 illustrate stitching. 

The ornamental design for a seat for a motorcycle, as shown and described. 